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<div class="header">
  <div class="headertitle"><div class="title">arm_lms_norm_instance_q31 Struct Reference</div></div>
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<p>Instance structure for the Q31 normalized LMS filter.  
 <a href="#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="_inc_2arm__math_8h_source.html">arm_math.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-attribs" class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a28e4c085af69c9c3e2e95dacf8004c3e" id="r_a28e4c085af69c9c3e2e95dacf8004c3e"><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a28e4c085af69c9c3e2e95dacf8004c3e">numTaps</a></td></tr>
<tr class="memitem:ad78f04037ac68115f0aedd2516f37399" id="r_ad78f04037ac68115f0aedd2516f37399"><td class="memItemLeft" align="right" valign="top">q31_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad78f04037ac68115f0aedd2516f37399">pState</a></td></tr>
<tr class="memitem:a5c6b96fa09780ba011ac62f2f2d8ed29" id="r_a5c6b96fa09780ba011ac62f2f2d8ed29"><td class="memItemLeft" align="right" valign="top">q31_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a5c6b96fa09780ba011ac62f2f2d8ed29">pCoeffs</a></td></tr>
<tr class="memitem:ad3dd2a2406e02fdaa7782ba6c3940a64" id="r_ad3dd2a2406e02fdaa7782ba6c3940a64"><td class="memItemLeft" align="right" valign="top">q31_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ad3dd2a2406e02fdaa7782ba6c3940a64">mu</a></td></tr>
<tr class="memitem:a28d7b9e437817f83397e081967e90f3c" id="r_a28d7b9e437817f83397e081967e90f3c"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a28d7b9e437817f83397e081967e90f3c">postShift</a></td></tr>
<tr class="memitem:a5e47a30f4ff221c14fd2696dd8b0ab10" id="r_a5e47a30f4ff221c14fd2696dd8b0ab10"><td class="memItemLeft" align="right" valign="top">const q31_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a5e47a30f4ff221c14fd2696dd8b0ab10">recipTable</a></td></tr>
<tr class="memitem:a3c0ae42869afec8555dc8e3a7ef9b386" id="r_a3c0ae42869afec8555dc8e3a7ef9b386"><td class="memItemLeft" align="right" valign="top">q31_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a3c0ae42869afec8555dc8e3a7ef9b386">energy</a></td></tr>
<tr class="memitem:a47c4466d644e0d8ba407995adfa9b917" id="r_a47c4466d644e0d8ba407995adfa9b917"><td class="memItemLeft" align="right" valign="top">q31_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a47c4466d644e0d8ba407995adfa9b917">x0</a></td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Instance structure for the Q31 normalized LMS filter. </p>
</div><a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Member Data Documentation</h2>
<a id="a3c0ae42869afec8555dc8e3a7ef9b386" name="a3c0ae42869afec8555dc8e3a7ef9b386"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3c0ae42869afec8555dc8e3a7ef9b386">&#9670;&#160;</a></span>energy</h2>

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          <td class="memname">q31_t arm_lms_norm_instance_q31::energy</td>
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<p>saves previous frame energy. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ad3dd2a2406e02fdaa7782ba6c3940a64">&#9670;&#160;</a></span>mu</h2>

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          <td class="memname">q31_t arm_lms_norm_instance_q31::mu</td>
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<p>step size that controls filter coefficient updates. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a28e4c085af69c9c3e2e95dacf8004c3e">&#9670;&#160;</a></span>numTaps</h2>

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          <td class="memname">uint16_t arm_lms_norm_instance_q31::numTaps</td>
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<p>number of coefficients in the filter. </p>

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<a id="a5c6b96fa09780ba011ac62f2f2d8ed29" name="a5c6b96fa09780ba011ac62f2f2d8ed29"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5c6b96fa09780ba011ac62f2f2d8ed29">&#9670;&#160;</a></span>pCoeffs</h2>

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          <td class="memname">q31_t * arm_lms_norm_instance_q31::pCoeffs</td>
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<p>points to the coefficient array. The array is of length numTaps. </p>

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<a id="a28d7b9e437817f83397e081967e90f3c" name="a28d7b9e437817f83397e081967e90f3c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a28d7b9e437817f83397e081967e90f3c">&#9670;&#160;</a></span>postShift</h2>

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          <td class="memname">uint8_t arm_lms_norm_instance_q31::postShift</td>
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<p>bit shift applied to coefficients. </p>

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<a id="ad78f04037ac68115f0aedd2516f37399" name="ad78f04037ac68115f0aedd2516f37399"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad78f04037ac68115f0aedd2516f37399">&#9670;&#160;</a></span>pState</h2>

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          <td class="memname">q31_t * arm_lms_norm_instance_q31::pState</td>
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<p>points to the state variable array. The array is of length numTaps+blockSize-1. </p>

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<a id="a5e47a30f4ff221c14fd2696dd8b0ab10" name="a5e47a30f4ff221c14fd2696dd8b0ab10"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5e47a30f4ff221c14fd2696dd8b0ab10">&#9670;&#160;</a></span>recipTable</h2>

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          <td class="memname">const q31_t * arm_lms_norm_instance_q31::recipTable</td>
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<p>points to the reciprocal initial value table. </p>

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<a id="a47c4466d644e0d8ba407995adfa9b917" name="a47c4466d644e0d8ba407995adfa9b917"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a47c4466d644e0d8ba407995adfa9b917">&#9670;&#160;</a></span>x0</h2>

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          <td class="memname">q31_t arm_lms_norm_instance_q31::x0</td>
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<p>saves previous input sample. </p>

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<hr/>The documentation for this struct was generated from the following files:<ul>
<li>C:/Users/ASUS/Desktop/dm-ctrlH7-balance-9025test/Middlewares/ST/ARM/DSP/Inc/<a class="el" href="_inc_2arm__math_8h_source.html">arm_math.h</a></li>
<li>C:/Users/ASUS/Desktop/dm-ctrlH7-balance-9025test/Middlewares/ST/ARM/DSP/Include/dsp/<a class="el" href="filtering__functions_8h_source.html">filtering_functions.h</a></li>
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